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Discussion Starter #1
Hi all, After some urgent help / advice. I've had an issue when braking from high ( legal ) speeds that sometimes the brake pedal goes down too far, pretty much to the floor. I can still feel the brakes engaging and the car slows down but decelerates slower than it should. It only happens when braking hard. All my calipers are good, new pads all round, all discs in good condition and a recent brake fluid change. No warning signs on the dash and no loss of brake fluid. Where should i look next? Apologies if this issue is another thread, i have looked but cannot find anything.
 

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I'm no expert but that sounds like classic air in your brake lines, perhaps bleed the system again?
 

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Discussion Starter #3
Hi FireBlade, That's what i thought, which is why i had the brake fluid changed. It has happened a few times before the change.
 

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Sounds like it needs an investigation at a brake specialist.
 

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Does the pedal feel harder than usual? Might be a vacuum leak to the Servo, this usually effects the pressure required to operate the brakes, hence more force to make the brakes work for the user. Could also be that the seals in the master cylinder are worn.
 

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Discussion Starter #6
No difference in pedal feel. Brakes engage as they should and start to slow the vehicle down but pedal keeps going down and brakes become less effective. At "normal" speeds it's never happened.
 

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Discussion Starter #7
After previous posts and searching YouTube and internet I think i need to either rebuild the brake master cylinder or get a new one. Does anyone know where i can get a rebuild kit ( part no. ) for 57 plate Civic FN2 Type R or a new master cylinder?
 

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i also need to buy a rebuild kit for my FN3 brake master cylinder but i am not able to find from any where can you kindly let me know from where i can buy one please?
 
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